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staging/lustre: Remove unused req_capsule_server_grow

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It's only used on the server

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleg Drokin 2015-09-28 23:43:47 -04:00 committed by Greg Kroah-Hartman
parent e64674d093
commit a0744613b2
2 changed files with 0 additions and 65 deletions
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3
drivers/staging/lustre/lustre/include/lustre_req_layout.h
View File

@ -129,9 +129,6 @@ void req_capsule_shrink(struct req_capsule *pill,
const struct req_msg_field *field,
unsigned int newlen,
enum req_location loc);
int req_capsule_server_grow(struct req_capsule *pill,
const struct req_msg_field *field,
unsigned int newlen);
int req_layout_init(void);
void req_layout_fini(void);

62
drivers/staging/lustre/lustre/ptlrpc/layout.c
View File

@ -2376,67 +2376,5 @@ void req_capsule_shrink(struct req_capsule *pill,
}
EXPORT_SYMBOL(req_capsule_shrink);
int req_capsule_server_grow(struct req_capsule *pill,
const struct req_msg_field *field,
unsigned int newlen)
{
struct ptlrpc_reply_state *rs = pill->rc_req->rq_reply_state, *nrs;
char *from, *to;
int offset, len, rc;
LASSERT(pill->rc_fmt != NULL);
LASSERT(__req_format_is_sane(pill->rc_fmt));
LASSERT(req_capsule_has_field(pill, field, RCL_SERVER));
LASSERT(req_capsule_field_present(pill, field, RCL_SERVER));
len = req_capsule_get_size(pill, field, RCL_SERVER);
offset = __req_capsule_offset(pill, field, RCL_SERVER);
if (pill->rc_req->rq_repbuf_len >=
lustre_packed_msg_size(pill->rc_req->rq_repmsg) - len + newlen)
CERROR("Inplace repack might be done\n");
pill->rc_req->rq_reply_state = NULL;
req_capsule_set_size(pill, field, RCL_SERVER, newlen);
rc = req_capsule_server_pack(pill);
if (rc) {
/* put old rs back, the caller will decide what to do */
pill->rc_req->rq_reply_state = rs;
return rc;
}
nrs = pill->rc_req->rq_reply_state;
/* Now we need only buffers, copy first chunk */
to = lustre_msg_buf(nrs->rs_msg, 0, 0);
from = lustre_msg_buf(rs->rs_msg, 0, 0);
len = (char *)lustre_msg_buf(rs->rs_msg, offset, 0) - from;
memcpy(to, from, len);
/* check if we have tail and copy it too */
if (rs->rs_msg->lm_bufcount > offset + 1) {
to = lustre_msg_buf(nrs->rs_msg, offset + 1, 0);
from = lustre_msg_buf(rs->rs_msg, offset + 1, 0);
offset = rs->rs_msg->lm_bufcount - 1;
len = (char *)lustre_msg_buf(rs->rs_msg, offset, 0) +
cfs_size_round(rs->rs_msg->lm_buflens[offset]) - from;
memcpy(to, from, len);
}
/* drop old reply if everything is fine */
if (rs->rs_difficult) {
/* copy rs data */
int i;
nrs->rs_difficult = 1;
nrs->rs_no_ack = rs->rs_no_ack;
for (i = 0; i < rs->rs_nlocks; i++) {
nrs->rs_locks[i] = rs->rs_locks[i];
nrs->rs_modes[i] = rs->rs_modes[i];
nrs->rs_nlocks++;
}
rs->rs_nlocks = 0;
rs->rs_difficult = 0;
rs->rs_no_ack = 0;
}
ptlrpc_rs_decref(rs);
return 0;
}
EXPORT_SYMBOL(req_capsule_server_grow);
/* __REQ_LAYOUT_USER__ */
#endif